Seiko Cal. 3899 - 997

This Automatic model from 1980 features a 37mm Gold-Plated case. It features a Champagne dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-cf6c8862bf31]

Also known as: Monster, Helmet

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1980

Related Models

• Seiko 6280-287
• Seiko 5615-228
• Seiko 7067-995
• Seiko 0721-314
• Seiko 0766-432
• Seiko 6336-459
• Seiko 7066-722
• Seiko 7061-310
• Seiko 3882-154
• Seiko 5252-678
• Seiko 5254-575
• Seiko 6650-336